Finding the Fourth Proportional to 111,301.86, 153,573.93 and 65,959.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,301.86 : 153,573.93 = 65,959.92 : x
2. Step 2: Convert to fraction form
   111,301.86/153,573.93 = 65,959.92/x
3. Step 3: Cross multiply
   111,301.86x = 153,573.93 × 65,959.92
4. Step 4: Simplify right side
   111,301.86x = 10,129,724,136.89
5. Step 5: Solve for x
   x = 10,129,724,136.89/111,301.86
6. Step 6: Final answer
   x = 91,011.27